+
+/**
+ * Each paraslash sender may register arbitrary many clients to the virtual
+ * streaming system, possibly with varying fec parameters. In order to do so,
+ * it must allocate a \a fec_client_parms structure and pass it to \ref
+ * add_fec_client.
+ *
+ * Clients are automatically removed from that list by the vss if an error
+ * occurs, or if the sender requests deletion of a client by calling \ref
+ * vss_del_fec_client().
+ */
+struct fec_client;
+
+/** FEC parameters requested by FEC clients. */
+struct fec_client_parms {
+ /** Number of data slices plus redundant slices. */
+ uint8_t slices_per_group;
+ /** Number of slices minus number of redundant slices. */
+ uint8_t data_slices_per_group;
+ /** Maximal number of bytes per slice. */
+ uint16_t max_slice_bytes;
+ /** Called by vss.c when the next slice should be sent. */
+ int (*send)(char *buf, size_t num_bytes, void *private_data);
+ /** Passed verbatim to \a send(). */
+ void *private_data;
+};
+
+int vss_add_fec_client(struct fec_client_parms *fcp, struct fec_client **result);
+void vss_del_fec_client(struct fec_client *fc);
+size_t vss_get_fec_eof_packet(const char **buf);